>>254
public class Main{
public static void main(String[] args){
int[] input={0,1,2,3,4,5,6,7,8,9};
System.out.println("Ave = "+average(intput));
System.out.println("Var = "+variance(intput));
}
public static double average(int[] array){
double sum=0.0;
int n=array.size();
for(int i=0;i<n;i++)sum+=array[i];
return(sum/n);
}
public static double variance(int[] array){
double ave=average(array);
int n=array.size();
double sum=0.0;
for(int i=0;i<n;i++)sum+=(array[i]-ave)*(array[i]-ave);
return(sum/n);
}
}